Contiguous U.S. May 2011 Precipitation Rankings
1901-2000
Inches
1
3.43
2.91
0.52
113
17
1934
2019
2010
1995
top-third
2
6.85
5.43
1.42
123
7
1934
1957
2010
1995
top-tenth
3
9.76
7.94
1.82
123
7
1925
1957,1991
2010
1995
top-tenth
4
11.74
10.07
1.67
118
12
1925
2019
2010
1998
top-tenth
1998
5
13.39
12.39
1.00
104
26
1934
2019
2010
1998
top-third
1978
6
15.84
14.73
1.11
104
25
1931
2019
2010
1998
top-third
1990
7
18.06
16.96
1.10
99
30
1934
1983
2010
1998
top-third
2023
8
20.03
19.13
0.90
89
40
1934
2019
2009
2010
top-third
9
22.81
21.62
1.19
93
36
1934
2019
2009
2010
top-third
10
25.32
24.25
1.07
89
40
1918
2019
2009
2010
top-third
11
28.64
27.03
1.61
100
29
1931
2019
2009
2010
top-third
12
32.13
29.95
2.18
105
24
1934
2019
2009
2010
top-third
18
47.84
44.70
3.14
107
21
1931
2019
2010
2005
top-third
24
65.07
59.92
5.15
115
13
1931
2020
2010
1999
top-tenth
36
95.56
89.88
5.68
110
17
1955
2019
2010
1999
top-third
48
125.95
119.78
6.17
106
20
1956
2019
2010
2000
top-third
60
156.03
149.64
6.39
103
22
1957
2020
2010
2000
top-third